Mc Manus Field Weather Forecast

    • 73
    • 92

    Mostly Sunny

    • 72
    • 92

    Mostly Sunny

    • 73
    • 94

    Mostly Sunny

    • 73
    • 95

    Mostly Sunny

    • 68
    • 92

    Chance Rain Showers

    • 64
    • 82

    Chance Rain Showers

Today 21 Aug Grayson

Sunny with Highs in the lower 90s. Northeast Winds around 5 Mph.

Tonight 21 Aug Grayson

Mostly clear. Lows in the lower 70s. Light and variable Winds, becoming north around 5 Mph.

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  • Temperature Real-Time

Mc Manus Field Temperature Statistics

August Temperature

Sherman/Denison, Grayson County Airport (20.5 miles)

  • Lowest 4 August, 2025

    67.1 °F

  • Average August

    82.2 °F

  • Highest 8 August, 2025

    98.6 °F

Climate (2020–Present)

Sherman/Denison, Grayson County Airport (20.5 miles)

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  • Average Low 2020–2025

    55.2 °F

  • Average 2020–2025

    63.9 °F

  • Average High 2020–2025

    76.1 °F
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